TI-83 Plus
Math, Angle, and Test Operations
70
nDeriv(
nDeriv(
(numerical derivative) returns an approximate derivative of
expression
with respect to
variable
, given the
value
at which to calculate the
derivative and
H
(if not specified, the default is 1
â
L
3).
nDeriv(
is valid only
for real numbers.
nDeriv(
expression
,
variable
,
value
[
,
H
]
)
nDeriv(
uses the symmetric difference quotient method, which
approximates the numerical derivative value as the slope of the secant
line through these points.
ε
ε
ε
2
)
(
(
)
(
)
(
'
−
−
+
=
x
f
x
f
x
f
As
H
becomes smaller, the approximation usually becomes more
accurate.
You can use
nDeriv(
once in
expression
. Because of the method used to
calculate
nDeriv(
, the
TI-83 Plus
can return a false derivative value at a
nondifferentiable point.
Summary of Contents for 83PL/CLM/1L1/V - 83 Plus Calc
Page 407: ...TI 83 Plus Inferential Statistics and Distributions 404 Input Calculated results Drawn results...
Page 412: ...TI 83 Plus Inferential Statistics and Distributions 409 Data Stats Input Calculated results...
Page 454: ...TI 83 Plus Applications 451 tvm_FV tvm_FV computes the future value tvm_FV PV PMT P Y C Y...
